单词	horizontal tunnel
释义	horizontal tunnel 水平隧道
随便看	low-cost labor low-cost laptops Low Cost Launch Vehicle Low-Cost Lightweight Missile Low-Cost Low Altitude Dispenser low cost manufacturing technology Low Cost Missile System Low-Cost Modular Spacecraft low cost module low-cost network Low-Cost Night Vision Aid low-cost night vision goggles low cost object low cost of money low-cost operation low cost optical fiber LAN LOW COST OPTIONAL ROLL-OUT BATTERY INSTALLATION Low-Cost Packet Radio low-cost paper Low-Cost Part Task Trainer low-cost pavement low-cost PC low-cost phosphorous-containing materials Low-cost physical experiment low-cost physical experimental resources